PowerPointâs main ribbon doesnât have a button that makes a document uneditable, but you can find one that does when you know where to look. Step 1. Launch PowerPoint and open a presentation youâd like to make uneditable. Step 2. Click âFile,â then âInfoâ to view information about the presentation.
Cubic Zirconia (CZ), moissanite, etc., are diamond simulants as they look like diamonds, but have different chemical properties. Therefore, many experts argue that it is inappropriate to call simulated diamonds, 'diamonds'; they should be simply known as simulants. Simulated Diamonds - A Flashback.
Diamonds. Diamonds are crystalline carbon and the hardest known substance. This photo shows diamonds from the Argyle Mine in northern Western Australia. Diamonds are brought to the surface from the mantle in a rare type of magma called kimberlite and erupted at a rare type of volcanic vent called a diatreme or pipe.ost of the diamonds are from the Argyle diamond pipe in northern Western Australia. The pipe at Argyle is made of lamproite, not kimberlite. The mine produced 27.8 million carats (1 ct = 200 mg; 5 carats = 1 gram) of low grade diamonds in 1993-1994.